In the town of St. Johnsbury, Vermont, a richly-appointed gallery has a window to the Yosemite Valley—specifically, a spot near the mid-point of Yosemite Falls with a panoramic view of the surrounding landscape. Though you might feel like you could step straight through to the Sierra Nevadas, the landscape is actually a massive painting created by the German-American artist Albert Bierstadt. “The Domes of Yosemite” is the heart of a collection full of wondrous pieces at the St. Johnsbury Athenaeum. The St. Johnsbury Athenaeum serves as the town’s library as…